compactIri method

Implementation

CompactIri compactIri(IriTerm iri, IriRole role) {
  final r = compactIris[(iri, role)];
  if (r == null) {
    final rolesForIri = compactIris.entries
        .where((e) => e.key.$1 == iri)
        .map((e) => e.key.$2)
        .toList();
    if (rolesForIri.isNotEmpty) {
      _log.warning(
        '''
        No compact IRI found for $iri with role $role. Did you specify the correct IriRole?
        I found this IRI in the graph for the following roles: ${rolesForIri.map((e) => e.name).join(', ')}.
        Will treat as full IRI.
        ''',
      );
    } else {
      _log.warning(
        'No compact IRI found for $iri with role $role. Is this IRI used in the graph? Will treat as full IRI.',
      );
    }
    return FullIri(iri.iri);
  }
  return r;
}